iPadOS 13.4.5 (build 17F5044d) is an official Apple over-the-air update for the iPad Pro 4 (12.9-inch, Cellular), released on 2020-04-15T17:15:27Z. The update package is 178.31 MB. This is a delta (partial) update that requires 13.4.5 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 73f51d1c10b42f790b6d27979d34bf7fc44cdd18.zip.